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Surface Tension of Water by Capillary Rise and Effect of Detergents NEET Questions
NEET SYLLABUS
Physics - Experimental Skills
Speed of Sound in Air at Room Temperature Using a Resonance Tube
Refractive Index of a Glass Slab using a Travelling Microscope
Identification of Diode, LED, Resistor, A Capacitor from a Mixed Collection of such items
Characteristic Curves of a Zener Diode and Finding Reverse Break Down Voltage
Characteristic Curves of a P-N Junction Diode in Forward and Reverse Bias
The Plot of the Angle of Deviation Vs Angle of Incidence for a Triangular Prism
The Focal Length of; (i) Convex Mirror (ii) Concave Mirror, and (ii) Convex Lens, Using the Parallax Method
Resistance and Figure of Merit of a Galvanometer By Half Deflection Method
Specific Heat Capacity of a Given (i) Solid and (ii) Liquid by Method of Mixtures
Vernier Calipers
Surface Tension of Water by Capillary Rise and Effect of Detergents
Coefficient of Viscosity of a Given Viscous Liquid by Measuring the Terminal Velocity of a Given Spherical Body
Young's Modulus of Elasticity of the Material of a Metallic Wire
The Resistivity of the Material of a Given Wire Using a Metre Bridge
The Resistance of a Given Wire Using Ohm's Law
Meter Scale
Simple Pendulum
Screw Gauge
Surface Tension of Water by Capillary Rise and Effect of Detergents MCQ Questions
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13.
Adding detergent to water will:
A.
Increase surface tension
B.
Decrease surface tension
C.
Have no effect
D.
Depends on concentration
😑
View Answer
Rough Work
Error
ANSWER
:
B. Decrease surface tension
14.
Which of the following increases when detergents are added to water?
NEET - 2018
A.
Surface tension
B.
Viscosity
C.
Capillary rise
D.
Specific gravity
😑
View Answer
Rough Work
Error
ANSWER
:
C. Capillary rise
15.
The contact angle of pure water on a clean glass surface is approximately:
A.
0°
B.
30°
C.
60°
D.
90°
😑
View Answer
Rough Work
Error
ANSWER
:
A. 0°
16.
If the radius of a capillary tube is halved, the height of the liquid column will:
A.
Remain the same
B.
Double
C.
Halve
D.
Increase four times
😑
View Answer
Rough Work
Error
ANSWER
:
D. Increase four times
17.
In capillary rise, the height of the liquid column is inversely proportional to:
NEET - 2019
A.
Radius of the tube
B.
Density of the liquid
C.
Surface tension
D.
None of the above
😑
View Answer
Rough Work
Error
ANSWER
:
A. Radius of the tube
18.
Which force is responsible for surface tension?
A.
Cohesive force
B.
Adhesive force
C.
Gravitational force
D.
Electrostatic force
😑
View Answer
Rough Work
Error
ANSWER
:
A. Cohesive force
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